Team Ren Concepts

A ghost is a dead persons spirit that roams the earth usually attached to where they died or refusing to go to the after life until there are finished on earth.

An Over Soul is basically making the shaman and spirit ally's form an extension, a body, a weapon, and more out of furyoko (mana).

In the words of Yoh Asakura, a "shaman" is a link between the physical and spiritual worlds. They primarily integrate with ghosts to achieve a common goal. In other franchises, shaman communicate with ghosts.

Although it is Hao's written book, it is a powerful concept in shaman king. It boosts the abilities of shamans who understand the concept of Ultra Senji Ryakketsu and Shamanic Oracle.